I have their paid VPN. The browser version of Proton VPN is limited. It's sad. I don't like talking like this because I like their service and speed, but there are so many things missing in all their apps, such as the Windows version, Android version, and the one in browsers.

Split tunneling is lacking on all devices and none have the same features. The one on the browser has the one I want, by website, but you can't include. As in, if you only want it to run on that website. You can only exclude so that it doesn't run on that website.
The one on Windows doesn't have website but IP or apps. You can include/exclude there but we desperately need the ability to add websites there and to decide per website/app/IP if we want to include or exclude. Same on the browser extension. Same on Android.

Here in Firefox, it's also missing a favorites list and the ability to choose a default. Same on Chrome/Edge. All 3 of their apps/extensions look different and behave different and have different settings. Really bad design.

None of our settings sync so you have to set it up each time in every browser, phone, computer OS.

Missing other information and settings.

Considering the number of clients they have, servers, and money they're making, they should easily have the budget to improve and streamline them all.
Will edit review after they update.

Always says "unprotected", even when VPN is active. Uninstalling for now since the software does not seem to add value.

What should happen / to improve rating.

Extension should function as expected by:
- When connected through a VPN, extension should indicate "Protected".
- When not connected through a VPN, extension should indicated "Unprotected".

O que adianta se tem que logar para usar ,daqui a pouco a vazamento ai você aparece lá igual bobo, pronto para receber punições de governos totalitários.

dont add to browser

На TV Xiaomi 4s установил без проблем, ютуб теперь работает. Но на компе, чтобы скачать и установить, нужно скачать и установить любой другой ВПН и даже после скачивания и установки не удается авторизоваться, так как авторизоваться удаётся только через другой впн. Никакого смысла пользоваться нет.

Excellent! Les réserves affichées par certains relatives à la fuite du DNS ne sont plus d'actualité apparemment. Merci Proton!

спасибо вам огромное

Useless, because it leaks your DNS!

Use this to test it:
https://ipleak.net/

I doubt that there is more private free VPN service than this one. I trust this company and I am pretty paranoid about my privacy. I hope that Proton will start accepting more cryptocurrencies including mainly Monero ( https://protonmail.uservoice.com/forums/935538-accounts-payments/suggestions/33188971-monero-payment-option ). That would make me upgrade.